yafray vs OCC

hi another test with GI

yafray GI
http://www.toya.net.pl/~halves/kruchy/jafray_test_01.jpg

and blender OCC
http://www.toya.net.pl/~halves/kruchy/OCC_test_05.jpg

QUESTION
how can i make yafray GI to be more brighter?? more power gives this
http://www.toya.net.pl/~halves/kruchy/jafray_test_001_bad.jpg

the ray deph is 40, so any tips ??

Try altering the exposure